Reduction of metal stresses in delayed coking drums

Details Reduction of metal stresses in delayed coking drums Reduction of metal stresses in delayed coking drums

C - Chemistry, Metallurgy

10

B

C10B 25/00 (2006.01) C10B 1/04 (2006.01) C10B 25/18 (2006.01) C10B 39/00 (2006.01) C10B 47/00 (2006.01) C10B 49/00 (2006.01) C10B 51/00 (2006.01)

Patent

CA 2283342

The metal stresses in a delayed coke drum (10) are reduced by externally cooling the coke drum (10) near the junction of the drum shell (44) and the supporting skirt (38) thereof during the quench step. This reduces the metal stresses at the area around the welds (22) of the drum skirt (38).

On réduit les contraintes métalliques dans un four (10) de cokéfaction retardée en refroidissant extérieurement le four à coke (10) à proximité de la jonction de l'enveloppe (44) du four et de la jupe de support (38) de ce dernier pendant l'extinction. Ceci permet de réduire les contraintes métalliques au niveau de la zone entourant les soudures (22) de la jupe (38) du four.

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